BEIJING: Another four ancient Chinese irrigation projects have been designated as World Heritage Irrigation Structures, increasing the number of Chinese facilities on the WHIS list to 38, said the Ministry of Water Resources. The inclusion of the Karez system in Turpan, Xinjiang Uygur autonomous region, the Huizhou Weirs in Anhui province and the Wuyuan Weirs in Jiangxi province (joint application), the Fengyan terraced field system in Hanyin, Shaanxi province and the Jufeng weir system in Chongqing municipality onto the list was announced during the 75th International Executive Council Meeting, the highest decision-making body of the International Commission on Irrigation and Drainage, in Australia on Tuesday.
An invention that provides water through a technique derived generations ago in Turpan, where the average annual precipitation is only 16 millimeters while the corresponding evaporation rate measures 3,000 mm, the Karez system consists of well-like vertical shafts connected to underground channels that surface in the form of ditches and small ponds.
The channels are supplied with water from melted ice and snow in Xinjiang’s Tianshan Mountains, while the underground structure of the wells prevents water from evaporating.
Conveying water from deep underground to the surface and traversing more than 5,000 kilometers within Xinjiang, the Karez wells are considered one of China’s greatest surviving ancient man-made structures, along with the Great Wall and the Grand Canal.
–The Daily Mail-China Daily news exchange item
The system has provided inhabitants in Turpan with water for drinking and irrigation for thousands of years. It’s so important to the life of many locals like Eskander Kadir, a member of the Uygur ethnic group, and the 73-year-old said: “We are the children of Karez wells. The taste of the water in Karez is better than tap water. We drink it and provide it to guests when they visit.”
Huizhou weirs are an ancient irrigation system in Huizhou district, Huangshan, in Anhui while Wuyuan weirs are in Wuyuan county, Jiangxi. Huizhou district and Wuyuan border each other and both fell into the jurisdiction of ancient Huizhou, a prefecture-level administrative region in long-ago times.
Huizhou currently boasts over 500 ancient weirs, including five that are over 500 years old, with the oldest one dating back 1,697 years. Wuyuan has over 2,052 stone-made weirs, which are a lot smaller than their counterparts in Huizhou, with 1,181 of them over a century old.
The large-scale development of the Fengyan terraced field system in Hanyin, which provides irrigation water to about 3,467 hectares of farmland, happened during the Ming Dynasty (1368-1644) and the Qing Dynasty (1644-1911).
